| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for year | 260 |
|
| 2 | back for [noun] | 167 |
|
| 3 | [adv prt] for year | 112 |
|
| 4 | back [prep] year | 12 |
|
| 5 | back [prep] year | 12 |
|
| 6 | back for year | 6 |
|
| 7 | back for year | 6 |
|
